CN102640760B - Pesticidal disease prevention suspension seed coating - Google Patents
Pesticidal disease prevention suspension seed coating Download PDFInfo
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- CN102640760B CN102640760B CN201210114548.XA CN201210114548A CN102640760B CN 102640760 B CN102640760 B CN 102640760B CN 201210114548 A CN201210114548 A CN 201210114548A CN 102640760 B CN102640760 B CN 102640760B
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- polyoxyethylene
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Landscapes
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- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention relates to the field of a pesticide preparation and discloses a pesticidal disease prevention suspension seed coating. The invention relates to the suspension seed coating adopting mixed prochloraz and chlorantraniliprole as effective ingredients and a preparation method of the suspension seed coating. The suspension seed coating comprises the following ingredients with the following contents: 0.5 to 10 percent of prochloraz, 1.0 to 20 percent of chlorantraniliprole, 1.0 to 8.0 percent of wet dispersing agents, 0.5 to 10.0 percent of film forming agents, 1.0 to 10.0 percent of coloring agents, 0.1 to 2.0 percent of tackifiers, 0.1 to 1.0 percent of preservatives, 1.0 to 5.0 percent of anti-freezing agents, 0.1 to 1.0 percent of defoaming agents and the balance distilled water. The suspension seed coating has the advantages that the pesticide effect is good, the effect persistence is long, the work efficiency is high, economy and safety are realized, the environment pollution can be reduced, the pesticide utilization rate is improved, the pesticide consumption is reduced, in addition, the use is convenient, both the mechanical seed mixing and the manual operation can be realized during the seed treatment, and the requirements of different users can be met.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of pesticidal disease-prevention suspending seed coating agent.
Background technology
Paddy rice is the main cereal crops of south China, and the generation of the diseases such as bakanae disease of rice, rice blast may cause the very serious underproduction to paddy rice, when rice blast is serious according to statistics, can cause the paddy rice underproduction 40%～50%, and even No kernels or seeds are gathered, as in a year of scarcity.In addition, the yield and quality that affects paddy rice that the generation of the insect pest such as the snout moth's larva of rice, rice gall midge, Lissorhoptrus oryzophilus Kuschel also can be serious.
In agricultural production, due to the surface of the seed or carry disease germs in inside, insect bandicoot is caused harm and birds are caused harm in fungus in soil or soil, or due to soil nutritional deficiency, after planting seed, usually there is disease seedling, scarce nest, the phenomenon of being short of seedling that weak seedling and insect pest etc. cause, the harm that the quarantine harmful organisms that causes very big harm, particularly seed to carry to production causes is larger.In modern agricultural production, seed chemicals treatment is one of method of the native biography of control soil insect and crops, seed-borne disease economical and convenient.
Seed coating technology is a kind of very universal seed treatment new technology growing up in traditional seed soaking or seed dressing technical foundation.By the seed of dry or moisture state; with compositions such as the agricultural chemicals that contains binding agent or fertilizer, wrap; make to form the protective layer with certain function and coated intensity outside seed; this process is called seed pelleting; the combination material that wraps in seed outside is referred to as seed coat agent, is a kind of for crop or other plant seed pesticidal preparations that process, that have film forming characteristics.Seed coat agent great advantage is to form in seed outside more firmly film of one deck.Imbibition is not and dissolved in soil for seed coat agent, and normal required moisture and the air that germinate of permission seed passes through, and the materials such as contained agricultural chemicals and seed manure slowly discharge.So seed coat agent has the soil insect of killing, seedling stage insect, control sprout term disease and systemic disease, improve percentage of seedgermination, promote seedling healthy growth, reduces the effects such as seed consumption, finally reaches preventing disease pest control, the strong sprout of keeping a full stand of seedings, improves the object of output.
The seed coat agent that at present Spread in China is used is various in style, but mostly has some problems, and some only have prophylaxis effect, and some are disinsection prophylaxis simultaneously, but operation technique is complicated, toxicity is higher, dangerous to crop.Therefore be badly in need of a kind of high-efficiency low-toxicity of exploitation, be applicable to the seed coat agent of paddy rice.
Summary of the invention
The object of the invention is to provide a kind of high-efficiency low-toxicity, is applicable to the pesticidal disease-prevention suspending seed coating agent of paddy rice.
For realizing object of the present invention, the present invention adopts following technical scheme:
A pesticidal disease-prevention suspending seed coating agent, is comprised of Prochloraz, Rynaxypyr, wetting dispersing agent, film forming agent, colouring agent, tackifier, preservative, antifreezing agent, defoamer and distilled water, and wherein, it is as follows that each composition accounts for the percentage by weight of seed coat agent:
Preferably, it is as follows that each composition of described suspension seed-coating agent accounts for the percentage by weight of seed coat agent:
Prochloraz is imidazoles bactericide, belongs to efficient, wide spectrum, low toxicity type bactericide, has the multiple actions such as prevention, protection, treatment.Prochloraz, by disturbing the formation of spindle in pathogen mitosis, affects cell division, plays the effect of sterilization, quick-acting is good, lasting period is long, can prevent and treat citrus anthracnose, blossom-end rot, penicilliosis, green mould, leaf spot of peanut, the vegetables anthracnose such as capsicum, eggplant, muskmelon, tomato, Strawberry anthracnose, bakanae disease of rice, rice blast, sclerotinia rot of colza, leaf spot, apple anthracnose, the diseases such as pear scab.
Rynaxypyr belongs to o-benzoyl aminobenzene formamide broad spectrum pesticide, and the mechanism of action is to activate blue Buddhist nun's alkali acceptor, discharges the calcium of storing in smooth muscle and striated muscle cell, causes that muscle adjusting is weak, fiber crops itch, even dead.Rynaxypyr is stomach toxicity and contact toxicity, and wherein stomach toxicity is Main Function mode.Rynaxypyr is the Lepidoptera of remarkable high-efficiency broad spectrum, main beetle and aleyrodid insecticide; under low dosage, just have reliable and stable preventive effect, stop immediately taking food, the drug effect phase is longer; rainwater-proof rinses, and in any period of plant growth, provides at once and permanent protection.
Suspension seed-coating agent of the present invention using Prochloraz and Rynaxypyr composite as active ingredient, the two is had complementary advantages, and can expand the diseases prevention spectrum of medicament, seed treatment for paddy rice, can prevent and treat disease again can pest control, improves drug effect simultaneously, reduces the usage amount of agricultural chemicals.The present invention, according to Sun Yunpei (Sun YP) method, calculates co-toxicity coefficient and evaluates Prochloraz effect mixed with Rynaxypyr, and result shows that co-toxicity coefficient is all greater than 100, shows that the mixing use of the two has notable synergistic effect.
In order to promote between particles of active components that prevent its phase inter coagulation wetting dispersion, suspension seed-coating agent of the present invention also comprises wetting dispersing agent.According to wetting dispersing agent of the present invention, it can be fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkylsulfonate, arylsulphonate, fatty acid polyglycol ethylene glycol, dodecyl benzene sulfonate, polyoxyethylene groups phenol formaldehyde condensate, polyoxyethylene poly-oxygen propylene aether block copolymer, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, aliphatic alcohol polyoxyethylene sulfonate, alkylphenol polyoxyethylene sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane additive product phosphate, one or more in alkylphenol polyoxyethylene phosphate or alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
In order to guarantee that limited farm chemical ingredients is concentrated, act on seed and root, difficult drop-off and dispersing, has reduced diffusion and the contact to non-target of agricultural chemicals in environment, and described suspension seed-coating agent also needs to comprise film forming agent.Described film forming agent should guarantee that institute's ready-made clothes film is ventilative, good water permeability, and normal seed germination growth, guarantees that institute's ready-made clothes film is insoluble in water again, and in clothing film, active component can slowly discharge, and efficiency time is long.According to film forming agent of the present invention, be preferably one or more in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide or Sodium Polyacrylate.
Colouring agent claims again alert toner, can improve the use safety of suspension seed-coating agent, and wherein, described colouring agent is one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131 or FGR-131.
Suspension seed-coating agent of the present invention also comprises tackifier, to improve the viscosity of dispersion medium, reduces the settling velocity of particle, thereby improves the stability of preparation.Preferably, described tackifier is one or more in xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate, aluminium-magnesium silicate or bentonite.
Suspension seed-coating agent of the present invention also comprises defoamer and preservative, and described defoamer is organosilicon ketone, C
8-10fatty alcohol, C
10-20saturated fatty acid and one or more in ester class; Described preservative is benzoic acid, benzaldehyde, Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde or 1, one or more in 2-[4-morpholinodithio quinoline-3-ketone.
In order to improve the stability of the low-temperature storage of seed coat agent, suspension seed-coating agent of the present invention can also add antifreezing agent.Preferably, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride.
The preparation method of suspension seed-coating agent of the present invention is: by Prochloraz and Rynaxypyr process air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, tackifier, antifreezing agent, preservative, defoamer and water dissolve completely, drop in proportion sand mill and grind 2 times, until the grain fineness of suspension reaches D
50be 2～3 μ m, D
90< 8 μ m, obtain.
The prepared suspension seed-coating agent of the present invention is flowable suspension, and low temperature, heat storage stability are qualified, and heat storage resolution ratio is less than 5%, and suspensibility is greater than 90%, and wet screening test is greater than 98%, by 45 μ m standard screens, grain fineness D
50be 2～3 μ m.
Suspension seed-coating agent of the present invention using Prochloraz and Rynaxypyr composite as active ingredient, there is good film-forming property, the advantage such as dressing is even, suspensibility is high, safety and low toxicity, be mainly used in paddy rice and make seed treatment, the diseases such as the insects such as control rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice gall midge, rice water weevil and bakanae disease of rice, rice blast.With Prochloraz and the comparison of Rynaxypyr single dose, disinsection prophylaxis successful improves.The germination rate that can also improve seed simultaneously, with not dressing comparison, germination rate can improve 5%～10%.Suspension seed-coating agent of the present invention is easy to use, processes kind of a period of the day from 11 p.m. to 1 a.m, both can dress seed by machinery, also can manual operation, can meet user's needs.
Embodiment
The embodiment of the invention discloses a kind of pesticidal disease-prevention suspending seed coating agent.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, within they are all deemed to be included in scope of the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described or suitably change and combination within not departing from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, the present invention is described in detail.According to the present invention, according to controlling object, a situation arises determines suitable consumption, and formulation rate is that the weight ratio of seed coat agent and seed is 1: 50～100 conventionally.
Embodiment 1: control efficiency
Test in District, Xinyang Area, Henan Province one peasant household farmland and carry out, Prochloraz and Rynaxypyr are composite, test processing and amount of application are in Table 1, as process 4 for examination seed coat agent be the complex preparation of Prochloraz and Rynaxypyr, wherein Prochloraz active ingredient 12g, Rynaxypyr active ingredient 120g, dress seed for 100kg seed.Statistics is respectively processed preventive effect, the results are shown in Table 2.
Table 1 test is processed and formulation rate
| Process | Reagent agent | Amount of application (g (a.i.)/100kg seed) |
| 1 | Prochloraz | 17 |
| 2 | Rynaxypyr | 200 |
| 3 | Prochloraz+Rynaxypyr | 10+120 |
| 4 | Prochloraz+Rynaxypyr | 12+120 |
| 5 | Prochloraz+Rynaxypyr | 12+150 |
| 6 | Prochloraz+Rynaxypyr | 15+120 |
| 7 | Prochloraz+Rynaxypyr | 15+180 |
| 8 | Prochloraz+Rynaxypyr | 17+150 |
| 9 | Prochloraz+Rynaxypyr | 17+180 |
| 10 | Clear water |
Table 2 control efficiency
| Process | Bakanae disease of rice | Rice blast | Rice water weevil | Striped rice borer |
| 1 | 81.2 | 86.3 | 0 | 0 |
| 2 | 0 | 0 | 82.5 | 83.7 |
| 3 | 71.4 | 73.5 | 68.9 | 72.3 |
| 4 | 73.8 | 76.4 | 70.5 | 72.8 |
| 5 | 74.2 | 76.7 | 73.7 | 75.2 |
| 6 | 78.9 | 79.4 | 71.0 | 72.9 |
| 7 | 78.9 | 79.6 | 80.7 | 85.0 |
| 8 | 82.7 | 87.8 | 74.0 | 76.8 |
| 9 | 82.7 | 87.5 | 85.0 | 86.9 |
| 10 | 0 | 0 | 0 | 0 |
As shown in Table 2, in seed coat agent of the present invention, each active ingredient is being less than under the prerequisite of each single dose consumption, and prevention and treatment range or drug effect are higher than each single dose.Meanwhile, from processing 1 and 2 result of the test, this synergy result is not to obtain because another added active component directly acts on disease, but due to two kinds of composite rear interactions of active component, has strengthened the effect of preventing and treating each other disease.
Embodiment 2:5% Prochloraz Rynaxypyr suspension seed-coating agent (being mass fraction)
Sodium lignin sulfonate, alkylphenol polyoxyethylene are dissolved completely with distilled water, then add successively Prochloraz, Rynaxypyr active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, until the grain fineness of suspension reaches D
50be 2～3 μ m, D
90< 8 μ m obtain product.
Embodiment 3:10% Prochloraz Rynaxypyr suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 4:20% Prochloraz Rynaxypyr suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 5:25% Prochloraz Rynaxypyr suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 6: technical indicator is measured
Get each prepared suspension seed-coating agent of embodiment 2～5, detect its indices, the results are shown in Table 3.
The testing result of each suspension seed-coating agent indices of table 3
From table 3 result, 4 concentration indices of suspension seed-coating agent of the present invention all meet the requirement of suspension seed-coating agent, and properties of product are stable, be subject to low temperature effect less, and expulsion rate are low.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a pesticidal disease-prevention suspending seed coating agent, it is characterized in that, Prochloraz, Rynaxypyr, wetting dispersing agent, film forming agent, colouring agent, tackifier, preservative, antifreezing agent, defoamer and distilled water, consist of, wherein, it is as follows that each composition accounts for the percentage by weight of seed coat agent:
The weight ratio of described Prochloraz and Rynaxypyr is 17:180.
2. seed coat agent according to claim 1, is characterized in that, it is as follows that each composition accounts for the percentage by weight of seed coat agent:
3. according to seed coat agent described in claim 1 or 2, it is characterized in that, described wetting dispersing agent is fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkylsulfonate, arylsulphonate, fatty acid polyglycol ethylene glycol, dodecyl benzene sulfonate, polyoxyethylene groups phenol formaldehyde condensate, polyoxyethylene poly-oxygen propylene aether block copolymer, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, aliphatic alcohol polyoxyethylene sulfonate, alkylphenol polyoxyethylene sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane additive product phosphate, one or more in alkylphenol polyoxyethylene phosphate or alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
4. according to seed coat agent described in claim 1 or 2, it is characterized in that, described film forming agent is one or more in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide or Sodium Polyacrylate.
5. according to seed coat agent described in claim 1 or 2, it is characterized in that, described colouring agent is one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red5B, Red-8110, Red-131 or FGR-131.
6. according to seed coat agent described in claim 1 or 2, it is characterized in that, described tackifier is one or more in xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate, aluminium-magnesium silicate or bentonite.
7. according to seed coat agent described in claim 1 or 2, it is characterized in that, described defoamer is machine silicone, C
8-10fatty alcohol, C
10-20saturated fatty acid and one or more in ester class.
8. according to seed coat agent described in claim 1 or 2, it is characterized in that, described preservative is benzoic acid, benzaldehyde, Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde or 1, one or more in 2-[4-morpholinodithio quinoline-3-ketone.
9. according to seed coat agent described in claim 1 or 2, it is characterized in that, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride.
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| CN103651466B (en) * | 2013-12-10 | 2016-03-23 | 洛阳市嘉创农业开发有限公司 | A kind of suspension seed-coating agent of control of maize seedling stage diseases and pests |
| CN107183040A (en) * | 2017-06-30 | 2017-09-22 | 江苏省绿盾植保农药实验有限公司 | A kind of suspension seed-coating agent containing trifluoro-benzene pyrimidine and thifluzamide and its preparation method and application |
| CN107343504A (en) * | 2017-07-14 | 2017-11-14 | 广西壮族自治区农业科学院甘蔗研究所 | A kind of sugarcane seedling stem coating agent and preparation method thereof |
| CN108207445A (en) * | 2018-01-03 | 2018-06-29 | 贵州大学 | A kind of fruit of prevention and control rice green smut-melon film and preparation method thereof |
| CN108124719A (en) * | 2018-01-10 | 2018-06-08 | 广西壮族自治区农业科学院甘蔗研究所 | A kind of sugarcane subtracts kind and subtracts medicine and promote the cultural method of sugarcane tiller Resistant |
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| US4080462A (en) * | 1974-12-13 | 1978-03-21 | The Boots Company Limited | Fungicidal compositions containing substituted imidazoles |
| CN100391338C (en) * | 2001-08-13 | 2008-06-04 | 纳幕尔杜邦公司 | Arthropodicidal anthranilamides |
| CN101815431A (en) * | 2007-06-22 | 2010-08-25 | 先正达参股股份有限公司 | The method of growing sugarcane |
| CN102334498A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
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| US3991071A (en) * | 1973-06-21 | 1976-11-09 | The Boots Company Limited | Fungicidal compositions containing substituted imidazoles |
| US4154945A (en) * | 1973-06-21 | 1979-05-15 | The Boots Company Limited | Fungicidal substituted imidazoles |
| US4080462A (en) * | 1974-12-13 | 1978-03-21 | The Boots Company Limited | Fungicidal compositions containing substituted imidazoles |
| CN100391338C (en) * | 2001-08-13 | 2008-06-04 | 纳幕尔杜邦公司 | Arthropodicidal anthranilamides |
| CN101815431A (en) * | 2007-06-22 | 2010-08-25 | 先正达参股股份有限公司 | The method of growing sugarcane |
| CN102334498A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
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